@misc{indiciae8a03071350d1, title = {The "silent cough" method for vocal hyperfunction.}, author = {D H Zwitman and T C Calcaterra}, year = {1973}, doi = {10.1044/jshd.3801.119}, url = {https://pubmed.ncbi.nlm.nih.gov/4698379/}, note = {Source identifier: 4698379} }